2016 389 intermittant wiper problems

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by TRUCKINDAD75, Apr 6, 2023.

  1. TRUCKINDAD75

    TRUCKINDAD75 Bobtail Member

    4
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    Apr 6, 2023
    Rushmore, MN
    0
    when on intermittant the wipers only go to the left and stop straight up then will go back down untio the next cycle and always stop to the left till next cycle. We replaced the motor and the stalk switch and still does the same. What else do we look for????
     
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  3. Goodysnap

    Goodysnap Road Train Member

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    9,188
    Jul 12, 2017
    0
    On the firewall between the under hood PDC and the engine is an 8 or 10 pin Deutsch connector. Water will get into this connector and corrode the pins.
     
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